218368880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21493}}^1$

素因数の和:21633

約数の個数: 40

約数和(自身を含む): 511729152

約数和(自身を除く): 293360272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 21493, 42986, 85972, 107465, 171944, 214930, 343888, 429860, 859720, 1719440, 2729611, 5459222, 10918444, 13648055, 21836888, 27296110, 43673776, 54592220, 109184440, 218368880]

約数ペア:

[(1, 218368880), (2, 109184440), (4, 54592220), (5, 43673776), (8, 27296110), (10, 21836888), (16, 13648055), (20, 10918444), (40, 5459222), (80, 2729611), (127, 1719440), (254, 859720), (508, 429860), (635, 343888), (1016, 214930), (1270, 171944), (2032, 107465), (2540, 85972), (5080, 42986), (10160, 21493)]